Happiness measure, code: M-FH-cw-sq-v-4-a

Selfreport on single question:

Generally speaking, in the past week, have you felt happy or unhappy?
4 very happy
3 somewhat happy
2 somewhat unhappy
1 very unhappy
- don't know
- no answer
Focus, M-FH Mixed: Feel Happy
Time frame, cw last week
Mode, sq 1 question
Scale type, v verbal scale Range = 4
Used in studies